package io1;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;

public class CopyDemo {
    public static void main(String[] args) throws IOException {
        FileInputStream fis=new FileInputStream("qq.jpg.JPG");
        FileOutputStream fos=new FileOutputStream("qq.jpg-cp.JPG");
        long len=System.currentTimeMillis();
        int d;
        while ((d=fis.read())!=-1){
            fos.write(d);
        }
        long let=System.currentTimeMillis();
        System.out.println("复制完毕"+(let-len)+"ms");
        fos.close();
        fis.close();
    }
}
